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SafeHandleMinusOneIsInvalid::IsInvalid Property

Gets a value that indicates whether the handle is invalid.

Namespace:  Microsoft.Win32.SafeHandles
Assembly:  mscorlib (in mscorlib.dll)

public:
virtual property bool IsInvalid {
	bool get () override;
}

Property Value

Type: System::Boolean
true if the handle is not valid; otherwise, false.

The common language runtime uses this property to determine whether critical finalization is required.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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